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Makefile.in
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# This Makefile borrows ideas from the one presented in the article
# Make Considered Harmfile, by Peter Miller
######################################################################
# Declare some useful variables.
######################################################################
# Our dependency rule requires bash, not dash. (/bin/sh is a link to
# /bin/dash on some systems.)
SHELL = @BASH@
CXX := @CXX@
CC := @CXX@
CPPFLAGS = @CPPFLAGS@
CXXFLAGS = @CXXFLAGS@ -Wall -Werror
CCFLAGS = @CXXFLAGS@
LDFLAGS = @LDFLAGS@
LDLIBS = @LIBS@
INSTALL := @INSTALL@
LIBTOOL := @LIBTOOL@
prefix := @prefix@
exec_prefix := @exec_prefix@
bindir := $(exec_prefix)/bin
libdir := $(prefix)/lib
host := @host@
#cxx_mm := @cxx_mm@
cxx_mm := $(CXX) -MM
cc_mm := $(CC) -MM
# (Needs Python 2.7 or later, or 3.2 or later.)
PYTHON := @PYTHON@
# Note that autoconf also reads the release file.
release := $(shell cat release | tr -d '\n')
PKG_NAME := one_true_makefile
# The $(modules) and $(testmodules) variables give all of the modules
# (i.e. separate source directories) that make up this project.
modules := \
tinyxml2 foo
testmodules := \
test_tinyxml2 test_foo
# The module.mk files in each module directory will add to these
# variables.
SRC =
BIN_INSTALL_LIST =
ETC_INSTALL_LIST =
INCLUDE_INSTALL_LIST =
LIB_INSTALL_LIST =
SHARE_INSTALL_LIST =
# These directories will hold the products of the build process.
#build_dir := $(host)-build
#build_dir := $(shell uname)-$(shell uname -m)-build
#build_dir := build
build_dir := $(shell uname)-build
stage_dir := $(shell uname)-stage
test_dir := $(shell uname)-test
# List all the directories the build process may create.
# Note that the order here is significant, in that we will want to
# remove directories depth-first.
dirs := \
$(addprefix $(build_dir)/,$(modules) $(testmodules)) \
$(build_dir) \
$(stage_dir)/bin \
$(stage_dir)/lib/$(PKG_NAME) \
$(stage_dir)/lib \
$(addprefix $(stage_dir)/etc/$(PKG_NAME)/,$(modules)) \
$(stage_dir)/etc/$(PKG_NAME) \
$(stage_dir)/etc \
$(addprefix $(stage_dir)/include/$(PKG_NAME)/,$(modules)) \
$(stage_dir)/include/$(PKG_NAME) \
$(stage_dir)/include \
$(addprefix $(stage_dir)/share/$(PKG_NAME)/,$(modules)) \
$(stage_dir)/share/$(PKG_NAME) \
$(stage_dir)/share \
$(stage_dir) \
$(addprefix $(test_dir)/etc/$(PKG_NAME)/,$(testmodules)) \
$(test_dir)/etc/$(PKG_NAME) \
$(test_dir)/etc \
$(addprefix $(test_dir)/include/$(PKG_NAME)/,$(testmodules)) \
$(test_dir)/include/$(PKG_NAME) \
$(test_dir)/include \
$(addprefix $(test_dir)/share/$(PKG_NAME)/,$(testmodules)) \
$(test_dir)/share/$(PKG_NAME) \
$(test_dir)/share \
$(test_dir)/bin \
$(test_dir) \
# These are "junk" files. (Emacs leaves foo~ and/or #foo# files, so
# we're globbing for *~ or #*.)
clean_targets := $(shell find . -type f \( -name "*~" -o -name \\\#* \))
######################################################################
# Include the other pieces of the Makefile.
######################################################################
# Include the module makefile pieces.
include $(addsuffix /module.mk,$(modules) $(testmodules))
# Include the dependency files.
DEP := $(addsuffix .d,$(basename $(SRC)))
-include $(DEP)
# Include the rules for the documentation.
#include docs/docs.mk
######################################################################
# Implicit rules, along with vpath directives explaining where to find
# the source files:
######################################################################
# We create $(stage_dir)/lib here so that the -lblah rules will work.
vpath %.la $(stage_dir)/lib $(shell mkdir -p $(stage_dir)/lib)
LDFLAGS += -L$(stage_dir)/lib
define link_exe_rule
$(LIBTOOL) --mode=link \
$(CC) $(LDFLAGS) -o $@ $^ -rpath $(prefix)/lib $(LDLIBS)
endef
define link_lib_rule
$(link_exe_rule) -release $(release)
endef
# I'd like to do this ifdef/define logic from within configure.ac, but
# the multitude of special characters has defeated me.
#ifdef cxx_mm
# This rule generates .d dependency files.
# define cxx_dep_rule
# $(cxx_mm) $(CPPFLAGS) $< \
# | sed 's,.*\.o[ :]*,$$(build_dir)/$(notdir $(@:.d=.lo)) $@ : ,g' > $@
# endef
# define cc_dep_rule
# $(cc_mm) $(CPPFLAGS) $< \
# | sed 's,.*\.o[ :]*,$$(build_dir)/$(notdir $(@:.d=.lo)) $@ : ,g' > $@
# endef
# else
# define cxx_dep_rule
# touch $@
# endef
# define cc_dep_rule
# touch $@
# endef
# endif
######################################################################
# Loop through all the module names and define module-specific rules:
######################################################################
define module_template
# Stuff in etc, share and include can just be copied.
# A file like stage/include/mypackage/foo/foo.hpp comes from
# /foo/include/mypackage/foo/foo.hpp, and can just be copied. The
# same goes for stage/include/mypackage/bar.hpp, which comes from
# bar/include/mypackage/bar.hpp.
$$(stage_dir)/include/$$(PKG_NAME)/$(1)/%: $(1)/include/$$(PKG_NAME)/$(1)/% \
| $$(stage_dir)/include/$$(PKG_NAME)/$(1)
cp $$< $$@
$$(stage_dir)/include/$$(PKG_NAME)/%: $(1)/include/$$(PKG_NAME)/% \
| $$(stage_dir)/include/$$(PKG_NAME)
cp $$< $$@
# $$(stage_dir)/include/%: $(1)/include/$$(PKG_NAME)/% \
# | $$(stage_dir)/include/$$(PKG_NAME)
# cp $$< $$@
$$(test_dir)/include/$$(PKG_NAME)/$(1)/%: $(1)/include/$$(PKG_NAME)/$(1)/% \
| $$(test_dir)/include/$$(PKG_NAME)/$(1)
cp $$< $$@
$$(test_dir)/include/$$(PKG_NAME)/%: $(1)/include/$$(PKG_NAME)/% \
| $$(test_dir)/include/$$(PKG_NAME)
cp $$< $$@
# $$(test_dir)/include/%: $(1)/include/$$(PKG_NAME)/% \
# | $$(test_dir)/include/$$(PKG_NAME)
# cp $$< $$@
# We have the same situation for share and etc.
$$(stage_dir)/share/$$(PKG_NAME)/$(1)/%: $(1)/share/$$(PKG_NAME)/$(1)/% \
| $$(stage_dir)/share/$$(PKG_NAME)/$(1)
cp $$< $$@
$$(stage_dir)/share/$$(PKG_NAME)/%: $(1)/share/$$(PKG_NAME)/% \
| $$(stage_dir)/share/$$(PKG_NAME)
cp $$< $$@
# $$(stage_dir)/share/%: $(1)/share/$$(PKG_NAME)/% \
# | $$(stage_dir)/share/$$(PKG_NAME)
# cp $$< $$@
$$(test_dir)/share/$$(PKG_NAME)/$(1)/%: $(1)/share/$$(PKG_NAME)/$(1)/% \
| $$(test_dir)/share/$$(PKG_NAME)/$(1)
cp $$< $$@
$$(test_dir)/share/%: $(1)/share/$$(PKG_NAME)/% \
| $$(test_dir)/share/$$(PKG_NAME)
cp $$< $$@
# $$(test_dir)/share/%: $(1)/share/$$(PKG_NAME)/% \
# | $$(test_dir)/share/$$(PKG_NAME)
# cp $$< $$@
$$(stage_dir)/etc/$$(PKG_NAME)/$(1)/%: $(1)/etc/$$(PKG_NAME)/$(1)/% \
| $$(stage_dir)/etc/$$(PKG_NAME)/$(1)
cp $$< $$@
$$(stage_dir)/etc/$$(PKG_NAME)/%: $(1)/etc/$$(PKG_NAME)/% \
| $$(stage_dir)/etc/$$(PKG_NAME)
cp $$< $$@
# $$(stage_dir)/etc/%: $(1)/etc/$$(PKG_NAME)/% \
# | $$(stage_dir)/etc/$$(PKG_NAME)
# cp $$< $$@
$$(test_dir)/etc/$$(PKG_NAME)/$(1)/%: $(1)/etc/$$(PKG_NAME)/$(1)/% \
| $$(test_dir)/etc/$$(PKG_NAME)/$(1)
cp $$< $$@
$$(test_dir)/etc/$$(PKG_NAME)/%: $(1)/etc/$$(PKG_NAME)/% \
| $$(test_dir)/etc/$$(PKG_NAME)
cp $$< $$@
# $$(test_dir)/etc/%: $(1)/etc/$$(PKG_NAME)/% \
# | $$(test_dir)/etc/$$(PKG_NAME)
# cp $$< $$@
# Make files like build/foo/bar.lo from foo/src/bar.cpp.
$$(build_dir)/$(1)/%.lo: $(1)/src/%.cpp | $$(build_dir)/$(1)
$(LIBTOOL) --mode=compile \
$$(CXX) -c $$(CPPFLAGS) $$(CXXFLAGS) -o $$@ $$<
$$(build_dir)/$(1)/%.lo: $(1)/src/%.c | $$(build_dir)/$(1)
$(LIBTOOL) --mode=compile \
$$(CC) -c $$(CPPFLAGS) $$(CCFLAGS) -o $$@ $$<
# Make files like build/bin/bar from build/foo/bar.lo.
$$(stage_dir)/bin/%: $$(build_dir)/$(1)/%.lo | $$(stage_dir)/bin
$$(call link_exe_rule)
$$(test_dir)/bin/%: $$(build_dir)/$(1)/%.lo | $$(test_dir)/bin
$$(call link_exe_rule)
# This rule generates .d dependency files. We use the compiler to
# generate the .o dependencies, and then use sed to massage the
# output to change .o to .lo (for libtool), and to add the .d file
# itself as a dependency. (This is based on an idea described in
# the GNU Make manual; it may be instructive to look in that manual
# if you'd like more explanation.)
# We check PIPESTATUS and remove the .d file since, if the compiler
# runs into an error and a blank dependency file is generated, we
# want to remove the blank dependency file, so that make will
# attempt to regenerate it again on the next invocation.
$(1)/src/%.d: $(1)/src/%.cpp
$$(cxx_mm) $$(CPPFLAGS) $$< | \
sed \
's,.*\.o[ :]*,$$$$(build_dir)/$(1)/$$(notdir $$(@:.d=.lo)) $$@ : ,g' \
> $$@ ; \
[ $$$${PIPESTATUS[0]} -eq 0 ] || $$(RM) -v $$@
$(1)/src/%.d: $(1)/src/%.c
$$(cc_mm) $$(CPPFLAGS) $$< | \
sed \
's,.*\.o[ :]*,$$$$(build_dir)/$(1)/$$(notdir $$(@:.d=.lo)) $$@ : ,g' \
> $$@ ; \
[ $$$${PIPESTATUS[0]} -eq 0 ] || $$(RM) -v $$@
endef
$(foreach module,$(modules) $(testmodules), \
$(eval $(call module_template,$(module))))
######################################################################
# Non module-specific rules:
######################################################################
# Dependency files:
# Deriving source-file specific -I flags isn't feasible, and we don't
# want to copy stuff into $(stage_dir) before .d files are
# generated, so we just indiscriminately grab everything here.
#%.d: CPPFLAGS += $(patsubst %,-I%/include,$(modules)) -Iinclude
# If the compiler runs into an error and a blank dependency file is
# generated, we want to remove the blank dependency file, so that
# make will attempt to regenerate it again on the next invocation.
# %.d: %.cpp
# $(call cxx_dep_rule) ; [ $${PIPESTATUS[0]} -eq 0 ] || rm -v $@
# %.d: %.c
# $(call cc_dep_rule) ; [ $${PIPESTATUS[0]} -eq 0 ] || rm -v $@
# Rules for test modules:
vpath %.py $(patsubst %,%/bin,$(testmodules))
$(test_dir)/bin/%.py: %.py | $(test_dir)/bin
cp $< $@
# Rules for making directories:
$(dirs):
mkdir -p $@
# Make the .la files generated by libtool match the -lfoo pattern.
.LIBPATTERNS += lib%.la
configure: configure.ac aclocal.m4
autoconf
# autoheader might not change config.h.in, so touch a stamp file.
include/config.h.in: include/stamp-h.in
include/stamp-h.in: configure.ac aclocal.m4
autoheader
echo timestamp > include/stamp-h.in
include/config.h: include/stamp-h
include/stamp-h: include/config.h.in config.status
./config.status
Makefile: Makefile.in config.status
./config.status
config.status: configure
./config.status --recheck # || ./configure
######################################################################
# Phony targets:
######################################################################
.PHONY: \
$(modules) $(testmodules) \
all clean clobber deps distclean help install runtests tests uninstall
.DEFAULT_GOAL := all
all: $(modules)
# Turn a string like foo/src/bar.cpp into $(build_dir)/foo/bar.lo .
OBJ := $(addprefix $(build_dir)/,$(subst /src,,$(SRC)))
OBJ := $(addsuffix .lo,$(basename $(OBJ)))
clean:
@for t in $(clean_targets) ; do \
echo $(RM) $$t ; \
$(RM) $$t ; \
done
@for o in $(OBJ) ; do \
$(LIBTOOL) --mode=clean $(RM) $$o ; \
done
@for d in $(addprefix $(build_dir)/,$(modules) $(testmodules)) ; do \
[ ! -d $$d ] || echo rmdir $$d ; \
[ ! -d $$d ] || rmdir $$d ; \
done
@[ ! -d $(build_dir) ] || echo rmdir $(build_dir)
@[ ! -d $(build_dir) ] || rmdir $(build_dir)
@$(RM) autoscan.log config.log
@echo Done.
# Note that we don't want to delete config.status because that would
# mean that we would have to re-run configure every time we run a
# make clean.
clobber: clean
$(RM) $(DEP)
@for t in $(BIN_INSTALL_LIST) $(LIB_INSTALL_LIST) ; do \
$(LIBTOOL) --mode=clean $(RM) $$t ; \
done
@for t in $(ETC_INSTALL_LIST) $(INCLUDE_INSTALL_LIST) \
$(SHARE_INSTALL_LIST) ; do \
$(RM) $$t ; \
done
@for d in $(dirs) ; do \
[ ! -d $$d ] || echo rmdir $$d ; \
[ ! -d $$d ] || rmdir $$d ; \
done
$(RM) -r autom4te.cache
@echo Done.
# This undocumented target just causes the dependencies to be
# generated.
# We don't document this rule because at some pointed the distributed
# source package will already have the dependencies generated.
# We remove $(stage_dir)/lib because the vpath rule above creates that
# directory, and keeping $(stage_dir)/lib around after just running
# "make deps" is confusing.
deps:
@rmdir -p $(stage_dir)/lib --ignore-fail-on-non-empty
distclean: clean
$(RM) Makefile include/config.h config.status config.cache config.log
help:
@echo " The following extra Makefile targets are available:"
@echo ""
@echo " all - Build all modules."
@echo " clean - Remove all $(clean_targets) files in the"
@echo " appropriate directories, as well as object"
@echo " (*.o) files."
@echo " clobber - Run make clean, and also remove all *.d files and"
@echo " files, as well as some artifacts that the build"
@echo " process generates."
@echo " distclean - Run make clean, and also remove files generated by"
@echo " the configure script."
@echo " help - This help message."
@echo " install - Install the package."
@echo " runtests - Build all unit tests, and also run the full test"
@echo " suite."
@echo " tests - Build all unit tests."
@echo " uninstall - Uninstall the package."
install: all
@for f in $(LIB_INSTALL_LIST) ; do \
$(LIBTOOL) --mode=install \
install -m 644 -D $$f $(prefix)/$${f#$(stage_dir)/} ; \
done
$(LIBTOOL) --mode=finish $(prefix)/lib
@for f in $(BIN_INSTALL_LIST) ; do \
target=$(prefix)/$${f#$(stage_dir)/} ; \
$(LIBTOOL) --mode=install \
install -D $$f $$target ; \
echo strip $$target ; \
strip $$target ; \
done
@for f in \
$(ETC_INSTALL_LIST) \
$(INCLUDE_INSTALL_LIST) \
$(SHARE_INSTALL_LIST) \
; do \
echo install -m 644 -D $$f $(prefix)/$${f#$(stage_dir)/} ; \
install -m 644 -D $$f $(prefix)/$${f#$(stage_dir)/} ; \
done
runtests: tests
@[ $(PYTHON) != ":" ] || (echo "Python version >= 3.2/2.7 was not" \
"found by the configure script." && false)
cd $(test_dir)/bin && \
$(PYTHON) -B -m unittest $(testmodules)
tests: $(testmodules)
uninstall:
@for f in \
$(ETC_INSTALL_LIST) \
$(INCLUDE_INSTALL_LIST) \
$(SHARE_INSTALL_LIST) \
; do \
$(RM) $(prefix)/$${f#$(stage_dir)/} ; \
done
@for f in \
$(BIN_INSTALL_LIST) \
$(LIB_INSTALL_LIST) \
; do \
$(LIBTOOL) --mode=uninstall \
$(RM) $(prefix)/$${f#$(stage_dir)/} ; \
done
@for d in \
$(patsubst %,include/$(PKG_NAME)/%,$(modules)) \
include/$(PKG_NAME) \
$(patsubst %,etc/$(PKG_NAME)/%,$(modules)) \
etc/$(PKG_NAME) \
$(patsubst %,share/$(PKG_NAME)/%,$(modules)) \
share/$(PKG_NAME) \
; do \
[ ! -d $(prefix)/$$d ] || echo rmdir $(prefix)/$$d ; \
[ ! -d $(prefix)/$$d ] || rmdir $(prefix)/$$d ; \
done